<template>
    <view v-if="width" :style="'width:'+width+';'+(square?'height:'+width:'')" class="uni-grid-item">
        <view :class="{ 'uni-grid-item--border': showBorder,  'uni-grid-item--border-top': showBorder && index < column, 'uni-highlight': highlight }"
              :style="{'border-right-color': borderColor ,'border-bottom-color': borderColor ,'border-top-color': borderColor }"
              class="uni-grid-item__box" @click="_onClick">
            <slot/>
        </view>
    </view>
</template>

<script>
    /**
     * GridItem 宫格
     * @description 宫格组件
     * @tutorial https://ext.dcloud.net.cn/plugin?id=27
     * @property {Number} index 子组件的唯一标识 ，点击gird会返回当前的标识
     */
    export default {
        name: 'UniGridItem',
        inject: ['grid'],
        props: {
            index: {
                type: Number,
                default: 0
            }
        },
        data() {
            return {
                column: 0,
                showBorder: true,
                square: true,
                highlight: true,
                left: 0,
                top: 0,
                openNum: 2,
                width: 0,
                borderColor: '#e5e5e5'
            }
        },
        created() {
            this.column = this.grid.column
            this.showBorder = this.grid.showBorder
            this.square = this.grid.square
            this.highlight = this.grid.highlight
            this.top = this.hor === 0 ? this.grid.hor : this.hor
            this.left = this.ver === 0 ? this.grid.ver : this.ver
            this.borderColor = this.grid.borderColor
            this.grid.children.push(this)
            // this.grid.init()
            this.width = this.grid.width
        },
        beforeDestroy() {
            this.grid.children.forEach((item, index) => {
                if (item === this) {
                    this.grid.children.splice(index, 1)
                }
            })
        },
        methods: {
            _onClick() {
                this.grid.change({
                    detail: {
                        index: this.index
                    }
                })
            }
        }
    }
</script>

<style lang="scss">
    .uni-grid-item {
        /* #ifndef APP-NVUE */
        height: 100%;
        display: flex;
        /* #endif */
        /* #ifdef H5 */
        cursor: pointer;
        /* #endif */
    }

    .uni-grid-item__box {
        /* #ifndef APP-NVUE */
        display: flex;
        width: 100%;
        /* #endif */
        position: relative;
        flex: 1;
        flex-direction: column;
        // justify-content: center;
        // align-items: center;
    }

    .uni-grid-item--border {
        position: relative;
        /* #ifdef APP-NVUE */
        border-bottom-color: #D2D2D2;
        border-bottom-style: solid;
        border-bottom-width: 0.5px;
        border-right-color: #D2D2D2;
        border-right-style: solid;
        border-right-width: 0.5px;
        /* #endif */
        /* #ifndef APP-NVUE */
        z-index: 0;
        border-bottom: 1px #D2D2D2 solid;
        border-right: 1px #D2D2D2 solid;
        /* #endif */
    }

    .uni-grid-item--border-top {
        position: relative;
        /* #ifdef APP-NVUE */
        border-top-color: #D2D2D2;
        border-top-style: solid;
        border-top-width: 0.5px;
        /* #endif */
        /* #ifndef APP-NVUE */
        border-top: 1px #D2D2D2 solid;
        z-index: 0;
        /* #endif */
    }


    .uni-highlight:active {
        background-color: #f1f1f1;
    }
</style>
